Pinouts for bootleg (single board PCB) Q*Bert (Gottlieb 1982) component side solder side -------------- ----------- GND 1 +5V GND 2 +5V GND 3 +5V +12V 4 +12V (-5V) -12V 5 (-5V) -12V 6 AUDIO OUT 7 8 TEST MODE* 9 SELECT SW 1P START 10 COIN 1 2P START 11 COIN 2 1P UP-LEFT 12 2P DOWN-LEFT 1P DOWN-RIGHT 13 2P UP-RIGHT 1P DOWN-LEFT 14 2P UP-LEFT 2P DOWN-RIGHT 15 1P UP-RIGHT VIDEO RED 16 VIDEO SYNC VIDEO BLUE 17 VIDEO GREEN 18 19 GND 20 +5V GND 21 +5V GND 22 +5V * TEST MODE SWITCH - GAME MODE TO GND., TEST MODE TO OPEN Pinouts obtained from operator panel on my bootleg machine. Your mileage may vary.